96. The coupling capacitor places the load and collector resistors in a ________ arrangement.
(a) series
(b) parallel
(c) series-parallel
(d) None of the above
97. Ideally, the changes in the load resistor or the source resistor should have ________ effect on all the parameters of the two-port model.
(a) a great
(b) a moderate
(c) no
(d) None of the above
98. The loaded voltage gain of an amplifier is ________ the no-load level.
(a) always more than
(b) always less than
(c) always the same as
(d) None of the above
99. The ________ the level of RL, the ________ the level of ac voltage gain.
(a) smaller, higher
(b) larger, lower
(c) smaller, lower
(d) None of the above
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BJT Amplifiers » Exercise - 1 1. Nota 2. The dc emitter current of a transistor is 8 mA. What is the value of re? (a) 320 (b) 13.3 k (c) 3.125 (d) 5.75 3. What is the most important r parameter for amplifier analysis? (a) rb (b) rc (c) (d) 4. Which of the h-parameters corresponds to re in a common-base configuration? (a) hib (b) hfb (c) hrb (d) hob 5. Under which of the following conditions is the output impedance of the network approximately equal to RC for a common-emitter fixed-bias configuration? (a) ro 10RC (b) ro 2 10RC (c) ro 2 ro (d) ro 4 ro 6. What is the unit of the parameter ho? (a) Volt (b) Ohm (c) Siemen (d) No unit 7. Which of the following gains is less than 1 for a common-base configuration? (a) Ai (b) Av (c) Ap (d) None of the above 8. Which of the following configurations has the lowest output impedance? (a) Fixed-bias (b) Voltage-divider (c) Emitter-follower (d) None of the above 9. Which one of the following configurations has the lowest input impedance? (a) Fixed-bias (b) Common-base (c) Emitter-follower (d) Voltage-divider? 10. The current gain for the Darlington…